MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Fayez Sarofim & Co's Holding History (CIK: 0000937729)

Note: Option positions (PUT/CALL) are excluded.

Q3 2015
Shares 6,700 Value ($000) $287 Avg Close — Range —
Q2 2015
Shares 6,000 Value ($000) $339 Avg Close — Range —
Q1 2015
Shares 6,200 Value ($000) $410 Avg Close — Range —
Q4 2014
Shares 6,350 Value ($000) $427 Avg Close — Range —
Q3 2014
Shares 6,550 Value ($000) $503 Avg Close — Range —
Q2 2014
Shares 6,800 Value ($000) $487 Avg Close — Range —
Q1 2014
Shares 6,900 Value ($000) $450 Avg Close — Range —
Q4 2013
Shares 6,900 Value ($000) $456 Avg Close — Range —
Q2 2013
Shares 5,000 Value ($000) $334 Avg Close — Range —